Estimate and compare construction costs for different years in the same city. To estimate the national average construction cost of a building in 1970, knowing that it cost $900,000 in 2016: INDEX in 1970 = 28.7. INDEX in 2016 = 207.2. Note: The city cost indexes for Canada can be used to convert.
The four types of landforms are: Mountains, Plains, Plateaus and  Valleys. These types of landforms can be found in any part of the  world. Landforms also have different ide â¦ ntifying characteristics. Answered.
Biotic and Abiotic Description: Grasslands are areas where the vegetation is dominated by grasses and non-woody plants. There are six different types of grasslands in the world. Tropical and Subtropical Grassland,Temperate Grassland, Flooded Grassland, Montane Grassland, Tundra Grassland, and Desert and xeric grasslands. Tropical and subtropical grasslands are classified with tropical and subtropical savannas.